mirror of
https://github.com/FFmpeg/FFmpeg.git
synced 2024-12-23 12:43:46 +02:00
pass dts and pts through ffm, should fix streaming b frames
Originally committed as revision 13725 to svn://svn.ffmpeg.org/ffmpeg/trunk
This commit is contained in:
parent
8983aa337c
commit
3c6a9f66b9
@ -29,8 +29,9 @@
|
||||
#define PACKET_ID 0x666d
|
||||
|
||||
/* each packet contains frames (which can span several packets */
|
||||
#define FRAME_HEADER_SIZE 8
|
||||
#define FRAME_HEADER_SIZE 16
|
||||
#define FLAG_KEY_FRAME 0x01
|
||||
#define FLAG_DTS 0x02
|
||||
|
||||
enum {
|
||||
READ_HEADER,
|
||||
@ -41,11 +42,10 @@ typedef struct FFMContext {
|
||||
/* only reading mode */
|
||||
offset_t write_index, file_size;
|
||||
int read_state;
|
||||
uint8_t header[FRAME_HEADER_SIZE];
|
||||
uint8_t header[FRAME_HEADER_SIZE+4];
|
||||
|
||||
/* read and write */
|
||||
int first_packet; /* true if first packet, needed to set the discontinuity tag */
|
||||
int first_frame_in_packet; /* true if first frame in packet, needed to know if PTS information is valid */
|
||||
int packet_size;
|
||||
int frame_offset;
|
||||
int64_t pts;
|
||||
|
@ -100,7 +100,6 @@ static int ffm_read_data(AVFormatContext *s,
|
||||
get_be16(pb); /* PACKET_ID */
|
||||
fill_size = get_be16(pb);
|
||||
ffm->pts = get_be64(pb);
|
||||
ffm->first_frame_in_packet = 1;
|
||||
frame_offset = get_be16(pb);
|
||||
get_buffer(pb, ffm->packet, ffm->packet_size - FFM_HEADER_SIZE);
|
||||
ffm->packet_end = ffm->packet + (ffm->packet_size - FFM_HEADER_SIZE - fill_size);
|
||||
@ -361,7 +360,7 @@ static int ffm_read_packet(AVFormatContext *s, AVPacket *pkt)
|
||||
|
||||
switch(ffm->read_state) {
|
||||
case READ_HEADER:
|
||||
if (!ffm_is_avail_data(s, FRAME_HEADER_SIZE)) {
|
||||
if (!ffm_is_avail_data(s, FRAME_HEADER_SIZE+4)) {
|
||||
return AVERROR(EAGAIN);
|
||||
}
|
||||
dprintf(s, "pos=%08"PRIx64" spos=%"PRIx64", write_index=%"PRIx64" size=%"PRIx64"\n",
|
||||
@ -369,6 +368,9 @@ static int ffm_read_packet(AVFormatContext *s, AVPacket *pkt)
|
||||
if (ffm_read_data(s, ffm->header, FRAME_HEADER_SIZE, 1) !=
|
||||
FRAME_HEADER_SIZE)
|
||||
return AVERROR(EAGAIN);
|
||||
if (ffm->header[1] & FLAG_DTS)
|
||||
if (ffm_read_data(s, ffm->header+16, 4, 1) != 4)
|
||||
return AVERROR(EAGAIN);
|
||||
#if 0
|
||||
av_hexdump_log(s, AV_LOG_DEBUG, ffm->header, FRAME_HEADER_SIZE);
|
||||
#endif
|
||||
@ -400,11 +402,11 @@ static int ffm_read_packet(AVFormatContext *s, AVPacket *pkt)
|
||||
av_free_packet(pkt);
|
||||
return AVERROR(EAGAIN);
|
||||
}
|
||||
if (ffm->first_frame_in_packet)
|
||||
{
|
||||
pkt->pts = ffm->pts;
|
||||
ffm->first_frame_in_packet = 0;
|
||||
}
|
||||
pkt->pts = AV_RB64(ffm->header+8);
|
||||
if (ffm->header[1] & FLAG_DTS)
|
||||
pkt->dts = pkt->pts - AV_RB32(ffm->header+16);
|
||||
else
|
||||
pkt->dts = pkt->pts;
|
||||
pkt->duration = duration;
|
||||
break;
|
||||
}
|
||||
|
@ -197,6 +197,7 @@ static int ffm_write_packet(AVFormatContext *s, AVPacket *pkt)
|
||||
AVStream *st = s->streams[pkt->stream_index];
|
||||
int64_t pts;
|
||||
uint8_t header[FRAME_HEADER_SIZE];
|
||||
int header_size = FRAME_HEADER_SIZE;
|
||||
|
||||
pts = s->timestamp + pkt->pts;
|
||||
/* packet size & key_frame */
|
||||
@ -206,7 +207,13 @@ static int ffm_write_packet(AVFormatContext *s, AVPacket *pkt)
|
||||
header[1] |= FLAG_KEY_FRAME;
|
||||
AV_WB24(header+2, pkt->size);
|
||||
AV_WB24(header+5, pkt->duration);
|
||||
ffm_write_data(s, header, FRAME_HEADER_SIZE, pts, 1);
|
||||
AV_WB64(header+8, pts);
|
||||
if (pkt->pts != pkt->dts) {
|
||||
header[1] |= FLAG_DTS;
|
||||
AV_WB32(header+16, pkt->pts - pkt->dts);
|
||||
header_size += 4;
|
||||
}
|
||||
ffm_write_data(s, header, header_size, pts, 1);
|
||||
ffm_write_data(s, pkt->data, pkt->size, pts, 0);
|
||||
|
||||
return 0;
|
||||
|
@ -15,9 +15,9 @@ bdb7484c68db722f66ba1630cf79844c *./tests/data/b-libav.mpg
|
||||
d6fdeb9f7083cc827f9510c6c4517dc0 *./tests/data/b-libav.swf
|
||||
335771 ./tests/data/b-libav.swf
|
||||
./tests/data/b-libav.swf CRC=0xe14e8847
|
||||
bf28235fdc3bdd77faf251a239b6bc58 *./tests/data/b-libav.ffm
|
||||
bbdd9a4904eceb530b1a9ae02c48d76f *./tests/data/b-libav.ffm
|
||||
380928 ./tests/data/b-libav.ffm
|
||||
./tests/data/b-libav.ffm CRC=0xca8f6870
|
||||
./tests/data/b-libav.ffm CRC=0x2b71a386
|
||||
f8ad5bd78f4d012a8ce9570aa395ac54 *./tests/data/b-libav.flv
|
||||
335833 ./tests/data/b-libav.flv
|
||||
./tests/data/b-libav.flv CRC=0xe14e8847
|
||||
|
@ -2830,7 +2830,7 @@ ret: 0 st:-1 ts:-0.645825 flags:1
|
||||
ret: 0 st: 0 dts:0.000000 pts:0.000000 pos:-1 size:144000 flags:1
|
||||
----------------
|
||||
tests/data/b-libav.ffm
|
||||
ret: 0 st: 0 dts:0.040000 pts:0.040000 pos:8192 size:24795 flags:1
|
||||
ret: 0 st: 0 dts:-0.040000 pts:0.000000 pos:8192 size:24795 flags:1
|
||||
ret: 0 st:-1 ts:-1.000000 flags:0
|
||||
ret: 0 st: 1 dts:0.940408 pts:0.940408 pos:380928 size:209 flags:1
|
||||
ret: 0 st:-1 ts:1.894167 flags:1
|
||||
@ -2838,15 +2838,15 @@ ret: 0 st: 1 dts:0.940408 pts:0.940408 pos:380928 size:209 flags:1
|
||||
ret: 0 st: 0 ts:0.788334 flags:0
|
||||
ret: 0 st: 1 dts:0.731429 pts:0.731429 pos:307200 size:209 flags:1
|
||||
ret: 0 st: 0 ts:-0.317499 flags:1
|
||||
ret: 0 st: 0 dts:0.040000 pts:0.040000 pos:8192 size:24795 flags:1
|
||||
ret: 0 st: 0 dts:-0.040000 pts:0.000000 pos:8192 size:24795 flags:1
|
||||
ret: 0 st: 1 ts:2.576668 flags:0
|
||||
ret: 0 st: 1 dts:0.888163 pts:0.888163 pos:356352 size:209 flags:1
|
||||
ret: 0 st: 1 ts:1.470835 flags:1
|
||||
ret: 0 st: 1 dts:0.940408 pts:0.940408 pos:380928 size:209 flags:1
|
||||
ret: 0 st:-1 ts:0.365002 flags:0
|
||||
ret: 0 st: 0 dts:0.339592 pts:0.339592 pos:147456 size:12220 flags:0
|
||||
ret: 0 st: 1 dts:0.313469 pts:0.313469 pos:147456 size:209 flags:1
|
||||
ret: 0 st:-1 ts:-0.740831 flags:1
|
||||
ret: 0 st: 0 dts:0.040000 pts:0.040000 pos:8192 size:24795 flags:1
|
||||
ret: 0 st: 0 dts:-0.040000 pts:0.000000 pos:8192 size:24795 flags:1
|
||||
ret: 0 st: 0 ts:2.153336 flags:0
|
||||
ret: 0 st: 1 dts:0.888163 pts:0.888163 pos:356352 size:209 flags:1
|
||||
ret: 0 st: 0 ts:1.047503 flags:1
|
||||
@ -2874,15 +2874,15 @@ ret: 0 st: 1 dts:0.940408 pts:0.940408 pos:380928 size:209 flags:1
|
||||
ret: 0 st: 0 ts:0.883340 flags:0
|
||||
ret: 0 st: 1 dts:0.809796 pts:0.809796 pos:331776 size:209 flags:1
|
||||
ret: 0 st: 0 ts:-0.222493 flags:1
|
||||
ret: 0 st: 0 dts:0.040000 pts:0.040000 pos:8192 size:24795 flags:1
|
||||
ret: 0 st: 0 dts:-0.040000 pts:0.000000 pos:8192 size:24795 flags:1
|
||||
ret: 0 st: 1 ts:2.671674 flags:0
|
||||
ret: 0 st: 1 dts:0.888163 pts:0.888163 pos:356352 size:209 flags:1
|
||||
ret: 0 st: 1 ts:1.565841 flags:1
|
||||
ret: 0 st: 1 dts:0.940408 pts:0.940408 pos:380928 size:209 flags:1
|
||||
ret: 0 st:-1 ts:0.460008 flags:0
|
||||
ret: 0 st: 1 dts:0.365714 pts:0.365714 pos:167936 size:209 flags:1
|
||||
ret: 0 st: 0 dts:0.400000 pts:0.440000 pos:172032 size:12546 flags:0
|
||||
ret: 0 st:-1 ts:-0.645825 flags:1
|
||||
ret: 0 st: 0 dts:0.040000 pts:0.040000 pos:8192 size:24795 flags:1
|
||||
ret: 0 st: 0 dts:-0.040000 pts:0.000000 pos:8192 size:24795 flags:1
|
||||
----------------
|
||||
tests/data/b-libav.flv
|
||||
ret: 0 st: 0 dts:0.000000 pts:0.000000 pos:199 size:31385 flags:1
|
||||
|
Loading…
Reference in New Issue
Block a user